title: Squamous-cell carcinoma of the ampulla of Vater.
mesh_terms: D014670:Ampulla of Vater; D002294:Carcinoma, Squamous Cell; D003135:Common Bile Duct; D006801:Humans; D009369:Neoplasms
keywords: BILE DUCT, COMMON/neoplasms; CARCINOMA, EPIDERMOID